Sure FD (シュアFD) is one of the openers starting with T-Spin Fin Single. the first bag can always be stacked and the terrain to be left is clean. This opener was invented by Sioyaki. It is a [[1]] opener.
1st bag
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turning to the left
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turning to the left
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harddrop
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TSS is always possible. This stacking is possible if the L-piece is faster than the J-piece. If the J piece is faster than the L piece, flip it left or right.
2nd bag
Always TSD is possible. softdrops other than T-pieces are fixed once, but that's all through this bag.
derivation
8-lines PC
34.0%
|
27.1%
|
15.6%
|
14.3%
|
9.5%
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PC rate is 67.30%, TSSPC rate is 10.16%, TSDPC rate is 0.00%, 5 filter solutions.
LST Stacking
An example.
14-lines PC
In fact, this opener alone can theoretically create an infinite PC loop.
3rd bag
It can always be stacked. The firepower is a little bit. S-pieces, J-pieces, and T-pieces are interchangeable in placement.
4th bag
It can always be stacked. No firepower. O-pieces, Z-pieces, and S-pieces are interchangeable in placement. J-pieces are stacked last.
5th bag(PC)
75.0%
|
66.4%
|
46.1%
|
43.3%
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43.3%
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PC rate is 100.00%, TSSPC rate is 60.95%, TSDPC rate is 0.00%, 5 filter solutions.